Updating the app to depend on ONOS 2.5.5 APIs

Change-Id: Icfd72f239324cab5cbc0fcf0dfa809ea418cbb2d
diff --git a/pom.xml b/pom.xml
index 66e8718..b356f0d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
     <parent>
         <groupId>org.onosproject</groupId>
         <artifactId>onos-dependencies</artifactId>
-        <version>2.5.2</version>
+        <version>2.5.5</version>
     </parent>
 
     <groupId>org.opencord</groupId>